#include <stdio.h>
#include "calculate.h"
#include "myString.h"
/**/
int main()
{
    int sum = myAdd(100, 200);
    printf("sum:%d\n", sum);


    char *str = "hello world";
    int len = myStrlen(str);
    printf("len:%d\n",len);
    return 0;
}